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METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM

  • US 20160050648A1
  • Filed: 04/16/2014
  • Published: 02/18/2016
  • Est. Priority Date: 04/16/2013
  • Status: Active Grant
First Claim
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1. A method for performing Channel State Information (CSI) reporting by a User Equipment (UE) in a wireless communication system, the method comprising:

  • receiving a downlink signal including an uplink grant;

    deriving a Channel Quality Indicator (CQI) value based on a Physical Downlink Shared Channel (PDSCH) transport block in a CSI reference resource when a CSI request field included in the downlink signal triggers CSI reporting; and

    performing CSI reporting including the CQI value in a subframe n,wherein the CSI reference resource is a last valid subframe among subframes which precede the subframe n by 4 subframes.

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